TABLE OF NOTATIONS. -a = radius, length, constant. b = radius, length, constant. c = const., center of mass. d = distance. e = nap. base, coef. of restitution. / = acceleration. g = grav. acceleration. h =3 vertical height, constant. i = V~-I. fc = constant. I =B length, direction cosine. m = mass, direction cosine. n = number, direction cosine, o = origin, center. p SB pressure, page. q =a variable magnitude. r a* radius, radius vector. « SB strain, length of curve. t = time, w =3 velocity, f; ss velocity, volume. w =" weight. x =3 variable magnitude. 2/ =a variable magnitude. 2? at variable magnitude. &, ft, 7, 8 SB constant angles. 0, 4>} & =s variable* angles. 0 =» angle of friction. n a eoef. of friction. X = modulus of elasticity. 7 ** angular acceleration. 6? = angular velocity. € » a small quantity, or angle. <r SB .surface density. r = volume density. p = linear density, radius of A = ^ = C = D = £7 = F = O = If - K L M AT 0 P Q 72 u X F Z area, point, constant, point, constant, point, constant, distance, total energy, force, frictional force, moment of force or torque, height, force derived from potential, angular impulse, moment of inertia, radius of gyration, constant, length, linear impulse, mass. normal component of force, origin, point, period, point, power, point. total reaction, resultant force. stress. tensile force, kinetic energy, potential energy, velocity, potential, weight, work, as-component of force, ^/-component of force, z-component of force. "S" - " sum of all the . . . s." "B" . "is identical with." " w " SB ''approaches." "is" aa " equals approximately ." is smaller than." " < >J » " "<£" sa "is very small compared with." ">" = "is greater than." a^>" as "is very large compared with." In Bin! = 1-2-3. . . . n.